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Showing 1–5 of 5 results
Advanced filters: Author: Agnetta Y. Cleland Clear advanced filters

  • Understanding decoherence in mechanical resonators in the quantum regime is crucial for realizing their potential in hybrid quantum devices. Cleland et al. study dissipation and dephasing induced by tunnelling defects in a nanomechanical resonator coupled to a transmon qubit, which serves as a quantum sensor.

    • Agnetta Y. Cleland
    • E. Alex Wollack
    • Amir H. Safavi-Naeini
    ResearchOpen Access
    Nature Communications
    Volume: 15, P: 1-7

  • Typical quantum error correcting codes assign fixed roles to the underlying physical qubits. Now the performance benefits of alternative, dynamic error correction schemes have been demonstrated on a superconducting quantum processor.

    • Alec Eickbusch
    • Matt McEwen
    • Alexis Morvan
    ResearchOpen Access
    Nature Physics
    Volume: 21, P: 1994-2001

  • Piezoelectric coupling of a single superconducting qubit to two phononic crystal nanoresonators results in an integrated device that is able to control and read out the quantum state of the two mechanical resonators.

    • E. Alex Wollack
    • Agnetta Y. Cleland
    • Amir H. Safavi-Naeini
    Research
    Nature
    Volume: 604, P: 463-467

  • Experimental measurements of high-order out-of-time-order correlators on a superconducting quantum processor show that these correlators remain highly sensitive to the quantum many-body dynamics in quantum computers at long timescales.

    • Dmitry A. Abanin
    • Rajeev Acharya
    • Nicholas Zobrist
    ResearchOpen Access
    Nature
    Volume: 646, P: 825-830

  • Two below-threshold surface code memories on superconducting processors markedly reduce logical error rates, achieving high efficiency and real-time decoding, indicating potential for practical large-scale fault-tolerant quantum algorithms.

    • Rajeev Acharya
    • Dmitry A. Abanin
    • Nicholas Zobrist
    ResearchOpen Access
    Nature
    Volume: 638, P: 920-926